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Mesoscopic open-eye core–shell spheroid carved anode/cathode electrodes for fully reversible and dynamic lithium-ion battery models
Nanoscale Advances ( IF 4.7 ) Pub Date : 2020-07-09 , DOI: 10.1039/d0na00203h
H Khalifa 1 , S A El-Safty 1 , A Reda 1 , A Eid 1 , A Elmarakbi 2 , M A Shenashen 1
Affiliation  

We report on the key influence of mesoscopic super-open-eye core–shell spheroids of TiO2- and LiFePO4-wrapped nanocarbon carved anode/cathode electrodes with uniform interior accommodation/storage pockets for the creation of fully reversible and dynamic Li-ion power battery (LIB) models. The mesoscopic core–shell anode/cathode electrodes provide potential half- and full-cell LIB-CR2032 configuration designs, and large-scale pouch models. In these variable mesoscopic LIB models, the broad-free-access and large-open-eye like gate-in-transport surfaces featured electrodes are key factors of built-in LIBs with excellent charge/discharge capacity, energy density performances, and outstanding cycling stability. Mesoscopic open-eye spheroid full-LIB-CR2032 configuration models retain 77.8% of the 1st cycle discharge specific capacity of 168.68 mA h g−1 after multiple cycling (i.e., 1st to 2000th cycles), efficient coulombic performance of approximately 99.6% at 0.1C, and high specific energy density battery of approximately 165.66 W h kg−1 at 0.1C. Furthermore, we have built a dynamic, super-open-mesoeye pouch LIB model using dense packing sets that are technically significant to meet the tradeoff requirements and long-term driving range of electric vehicles (EVs). The full-pouch package LIB models retain a powerful gate-in-transport system for heavy loaded electron/Li+ ion storage, diffusion, and truck movement through open-ended out/in and then up/downward eye circular/curvy folds, thereby leading to substantial durability, and remarkable electrochemical performances even after long-life charge/discharge cycling.

中文翻译:

用于完全可逆和动态锂离子电池模型的介观开眼核壳球体雕刻阳极/阴极电极

我们报告了 TiO 2 - 和 LiFePO 4的细观超开眼核壳球体的关键影响- 包裹的纳米碳雕刻阳极/阴极电极,具有均匀的内部容纳/存储袋,用于创建完全可逆和动态的锂离子动力电池 (LIB) 模型。介观核壳阳极/阴极电极提供了潜在的半电池和全电池 LIB-CR2032 配置设计和大型袋模型。在这些可变的介观 LIB 模型中,具有宽广自由通道和大开眼的类栅极传输表面特征电极是内置 LIB 的关键因素,具有出色的充电/放电容量、能量密度性能和出色的循环稳定。介观开眼球体full-LIB-CR2032配置模型在多次循环后保留77.8%的第1循环放电比容量168.68 mA hg -1 (,第 12000循环),在 0.1C 时的有效库伦性能约为 99.6%,在 0.1C 时的高比能量密度电池约为 165.66 Wh kg -1。此外,我们使用密集包装组构建了一个动态的、超开眼袋 LIB 模型,该模型在技术上对于满足电动汽车 (EV) 的权衡要求和长期行驶里程具有重要意义。全袋封装 LIB 型号保留了强大的栅极传输系统,用于重载电子/Li +离子存储、扩散和卡车运动通过开放式的向外/向内然后向上/向下的眼圆形/弯曲折叠,从而即使在长寿命充电/放电循环后也具有显着的耐用性和卓越的电化学性能。
更新日期:2020-08-11
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